Hoffman CT66WB, 6In Wall Bracket, 6.00x6.00, SSUsed to support a cable tray run. Product Specifications BRANDHoffman® MANUFACTURERS PART NUMBERCT66WB CONSTRUCTIONSS Type 304 DESCRIPTIONWall Bracket R INCHES5.55 SIZE A X B INCHES-- SIZE A X B MM-- S INCHES6.25 S MM159 R MM141